ole/build/control/topology.js

OpenLayers Editor

import Select from 'ol/interaction/Select';
import Control from './control';
import delSVG from '../../img/buffer.svg';
/**
 * Control for deleting geometries.
 * @extends {Control}
 * @alias ole.TopologyControl
 */
class TopologyControl extends Control {
    /**
     * @inheritdoc
     * @param {Object} [options] Control options.
     * @param {number} [options.hitTolerance] Select tolerance in pixels
     *   (default is 10)
     * @param {ol.style.Style.StyleLike} [options.style] Style used when a feature is selected.
     */
    constructor(options) {
        super(Object.assign({ title: 'TopoloyOp', className: 'ole-control-topology', image: delSVG }, options));
        /**
         * @type {ol.interaction.Select}
         * @private
         */
        this.selectInteraction = new Select({
            toggleCondition: () => true,
            layers: this.layerFilter,
            hitTolerance: options.hitTolerance === undefined ? 10 : options.hitTolerance,
            multi: true,
            style: options.style,
        });
        this.selectInteraction.on('select', () => {
            const feats = this.selectInteraction.getFeatures();
            try {
                this.applyTopologyOperation(feats.getArray());
            }
            catch (ex) {
                // eslint-disable-next-line no-console
                console.error('Unable to process features.');
                feats.clear();
            }
        });
    }
    /**
     * Apply a topology operation for given features.
     * @param {Array.<ol.Feature>} features Features.
     */
    applyTopologyOperation(features) {
        this.topologyFeatures = features;
    }
    /**
     * @inheritdoc
     */
    activate() {
        var _a;
        (_a = this.map) === null || _a === void 0 ? void 0 : _a.addInteraction(this.selectInteraction);
        this.addedFeatures = [];
        super.activate();
    }
    /**
     * @inheritdoc
     */
    deactivate(silent) {
        var _a;
        this.addedFeatures = [];
        (_a = this.map) === null || _a === void 0 ? void 0 : _a.removeInteraction(this.selectInteraction);
        super.deactivate(silent);
    }
}
export default TopologyControl;